:root {
    /* ======Main theme colors======= */
    --first-color: #dbe1e8;
    /* Light text for dark background */
    --second-color: #7b4ae2;
    /* Neon Purple */
    --third-color: #a9afc3;
    /* Muted text */

    /* ========Hover colors======= */
    --hover-color: #614fd0;

    /* =======Background colors====== */
    --body-bg-color: #0a0a15;
    /* Deep Space Blue/Black */
    --card-bg-color: rgba(255, 255, 255, 0.05);
    /* Glass effect */
    --modal-bg-color: rgba(20, 20, 35, 0.9);
    --bg-transparent-color: rgba(0, 0, 0, 0.5);
    --transparent-color-01: rgba(255, 255, 255, 0.05);
    --transparent-color-02: rgba(123, 74, 226, 0.1);
    --line-color: rgba(255, 255, 255, 0.1);

    /* ======Color Filter======= */
    --color-filter: invert(0);
    /* Default for dark mode */

    /* ======Font size====== */
    --small-font-size: 0.9em;
    --normal-font-size: 1em;

    /* ========Scroll bar colors====== */
    --scroll-bar-color: #1e2a4a;
    --scroll-thumb-color: #7b4ae2;
    --scroll-thumb-hover-color: #614fd0;

    --box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
}


/* Keeping dark-theme class for toggle, but it might just invert to "Light Mode" now if desired, 
   or we can stick to one powerful theme. Let's make .dark-theme actually the "Light mode" 
   if the user wants to toggle, or just refine the existing structure. 
   Since the user asked for "Powerful", I'll make the DEFAULT powerful (Dark). 
   I will adapt .dark-theme to be a Light Theme alternative or just keep it similar. 
   For now, I will make .dark-theme valid "Light Mode" so the toggle still makes sense. */

.dark-theme {
    /* ======Main theme colors======= */
    --first-color: #0e2431;
    --second-color: #6a59d1;
    --third-color: #777;

    /* =======Background colors====== */
    --body-bg-color: #fefefe;
    --card-bg-color: #fff;
    --modal-bg-color: #fff;
    --bg-transparent-color: rgba(0, 0, 0, 0.1);
    --transparent-color-01: rgba(0, 0, 0, 0.1);
    --line-color: #d7d7d7;

    /* ======Color Filter======= */
    --color-filter: invert(1);

    /* ========Scroll bar colors====== */
    --scroll-bar-color: #c5cadf;
    --scroll-thumb-color: #70768a;
    --scroll-thumb-hover-color: #454f6b;

    --box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}


html {
    scroll-behavior: smooth;
}

body {
    color: var(--first-color);
    background: var(--body-bg-color);
    margin: 2 rem 0 0 0;
    transition: 0.5s ease;
}

a {
    text-decoration: none;
}

li {
    list-style: none;
}


/* ==========Scroll to top button============= */
.scrollToTop-btn {
    z-index: 99999;
    position: fixed;
    right: 0;
    bottom: 20px;
    width: 45px;
    height: 45px;
    background: var(--second-color);
    color: #fff;
    font-size: var(--small-font-size);
    border-radius: 3px;
    cursor: pointer;
    opacity: 0;
    transition: .5s ease;
}


.scrollToTop-btn.active {
    right: 20px;
    pointer-events: all;
    opacity: 1;
}


/* ========light/Dark theme button=========== */
.theme-btn {
    z-index: 99999;
    position: fixed;
    right: 0;
    top: 100px;
    background: var(--transparent-color-01);
    backdrop-filter: blur(20px);
    width: 50px;
    height: 50px;
    font-size: 1.2em;
    border-radius: 5px 0 0 5px;
    box-shadow: var(--box-shadow);
    cursor: pointer;
}


.theme-btn .fa-sun,
.theme-btn.sun .fa-moon {
    display: none;
}


.theme-btn.sun .fa-sun {
    display: block;
}

/* ===========Scroll bar============== */
::-webkit-scrollbar {
    width: 10px;
    background: var(--scroll-bar-color);
}


::-webkit-scrollbar-thumb {
    background: var(--scroll-thumb-color);
    border-radius: 2em;
}


::-webkit-scrollbar-thumb:hover {
    background: var(--scroll-thumb-hover-color);
}

/* ========Header======== */
header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: 0.6s ease;
    z-index: 99999;
}


header.sticky {
    background: rgb(255, 255, 255, 0.1);
    box-shadow: var(--box-shadow);
}


.nav-bar {
    position: relative;
    height: calc(4rem + 1rem);
    max-width: 1250px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
    transition: 0.6s ease;
}


header.sticky .nav-bar {
    height: calc(2.5rem + 1rem);
}


.nav-bar .logo {
    color: var(--first-color);
    font-size: 2.7 em;
    font-weight: 600;
}


.nav-bar .logo:hover {
    font-size: 2em;
    color: var(--second-color);
}


.nav-items a {
    color: var(--first-color);
    font-size: var(--normal-font-size);
    font-weight: 500;
}


.nav-items a.active {
    color: var(--second-color);
}


.nav-items a:not(:last-child) {
    margin-right: 50px;
}


.nav-items a:hover {
    color: var(--second-color);
}


.nav-menu-btn {
    display: none;
}

/* =======Home Section======== */
.home {
    position: relative;
    max-width: 1250px;
    min-height: 100vh;
    margin-left: auto;
    margin-right: auto;
    padding: 4rem 2rem;
    flex-direction: column;
}


.home .home-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}


.home-container .media-icons {
    display: flex;
    flex-direction: column;
    margin-right: 40px;
}


.home-container .media-icons a {
    color: var(--second-color);
    font-size: 1.5em;
    margin: 10px 0;
}


.home-container .media-icons a:hover {
    color: var(--hover-color);
}


.home-container .info h2 {
    font-size: 4em;
    font-weight: 600;
    line-height: 70px;
}


.home-container .info span {
    color: var(--second-color);
}


.home-container .info h3 {
    color: var(--third-color);
    font-feature-settings: 1.3em;
    font-weight: 600;
    line-height: 50px;
}


.home-container .info p {
    color: var(--third-color);
    font-size: var(--normal-font-size);
    max-width: 350px;
}


.btn {
    background: var(--second-color);
    color: #fff;
    font-weight: 500;
    display: inline-block;
    margin-top: 25px;
    padding: 20px 30px;
    letter-spacing: 1px;
    border-radius: 10px;
}


.btn:hover {
    background: var(--hover-color);
}


.home-container .home-img {
    position: relative;
}


.home-container .home-img img {
    width: 60%;
    transform: translate(0, 0);
}




.home .scroll-down {
    color: var(--first-color);
    font-size: var(--normal-font-size);
    font-weight: 500;
    margin-top: 20px;
}


.home .scroll-down i {
    color: var(--second-color);
    font-size: 1.2em;
    animation: arrow-down ease 2s infinite;
}


@keyframes arrow-down {
    0% {
        transform: translateY(0);
    }

    30% {
        transform: translateY(10px);
    }
}


/* ============Common styles for all sections============== */
.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}


.section {
    position: relative;
    max-width: 1150px;
    margin-left: auto;
    margin-right: auto;
    padding: 6rem 2rem 2rem;
}


.sub-section {
    position: relative;
    max-width: 1150px;
    margin-left: auto;
    margin-right: auto;
    padding: 6rem 0;
}



.section-title-01 {
    font-size: 4.5em;
    font-weight: 800;
    margin-bottom: 2rem;
    background: linear-gradient(to top, transparent 0%, var(--first-color) 70%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.1;
    /* increased visibility slightly or kept low for watermark effect */
}


.section-title-02 {
    font-size: 2.5em;
    font-weight: 700;
    transform: translateY(-80px);
}


.section-title-02:before {
    content: '';
    position: absolute;
    width: 70px;
    height: 5px;
    right: 0;
    bottom: 0;
    background: var(--second-color);
}


.container {
    position: relative;
    flex-direction: column;
}


/* ========About section========= */
.about .container .content {
    column-gap: 40px;
    width: 100%;
}

.about-img {
    position: relative;
}


.about-img img {
    max-width: 100%;
    min-width: 400px;
    border-radius: 10px;
}


.about-info .description {
    max-width: 600px;
}


.about-info .description h3 {
    font-size: 2em;
    font-weight: 600;
    margin-bottom: 10px;
}


.about-info .description h4 {
    font-size: 1.3em;
    font-weight: 600;
    margin-bottom: 10px;
}


.about-info .description h4 span {
    color: var(--second-color);
}


.about-info .description p {
    color: var(--third-color);
    font-size: var(--normal-font-size);
    margin-bottom: 15px;
    padding-bottom: 25px;
    border-bottom: 2px solid var(--line-color);
}


.about-info .professional-list {
    display: flex;
    column-gap: 30px;
}


.about-info .professional-list .list-item {
    display: flex;
    justify-content: center;
    align-items: center;
    column-gap: 15px;
    margin-bottom: 20px;
}


.about-info .professional-list .list-item h3 {
    font-size: 2.5em;
    font-weight: 700;
}


.about-info .professional-list .list-item span {
    color: var(--third-color);
    font-size: var(--small-font-size);
}


/* ============Skills section============= */
.skills.container.content {
    width: 100%;
}


.skills-description {
    max-width: 700px;
    margin-bottom: 50px;
}

.skills-description h3 {
    font-size: 2em;
    margin-bottom: 5px;
}


.skills-info {
    max-width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 0 auto;
}


.skills-info h4 {
    margin-bottom: 20px;
}

.skills-info h4 label {
    background: var(--second-color);
    color: #fff;
    font-size: var(--normal-font-size);
    font-weight: 400;
    padding: 5px 15px;
    border-radius: 5px;
}

.education-all {
    margin-bottom: 80px;
}

.edu-list .item {
    background: var(--card-bg-color);
    box-shadow: var(--box-shadow);
    border-bottom: 3px solid var(--second-color);
    padding: 20px;
    margin-top: 15px;
    border-radius: 6px;
    border-radius: 6px;
    transition: 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}


.edu-list .item .year {
    font-size: var(--small-font-size);
    margin-bottom: 5px;
}

.edu-list .item p {
    color: var(--third-color);
    font-size: var(--small-font-size);
}


.edu-list .item p span {
    color: var(--first-color);
    font-size: var(--normal-font-size);
    font-weight: 500;
}


.bar {
    background: var(--card-bg-color);
    box-shadow: var(--box-shadow);
    margin-bottom: 10px;
    padding: 20px;
    border-radius: 6px;
    transition: 0.3s ease;
}


.bar .info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 5px;
    font-size: var(--small-font-size);
}


.bar .info span {
    font-weight: 500;
}


.bar .line {
    position: relative;
    width: 100%;
    height: 7px;
    background: #c5cadf;
    border-radius: 2px;
}


.bar .line::before {
    content: '';
    position: absolute;
    height: 100%;
    top: 0;
    left: 0;
    background: var(--second-color);
    border-radius: 2px;
}


.bar .html::before {
    width: 95%;
}

.bar .css::before {
    width: 90%;
}

.bar .tailwind::before {
    width: 88%;
}

.bar .javascript::before {
    width: 85%;
}

.bar .react::before {
    width: 93%;
}


/* ===============Services Section=============== */
.services .container .content {
    width: 100%;
}


.services-description h3 {
    font-size: 2em;
    margin-bottom: 50px;
}


.service-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    max-width: 100%;
    margin: 0 auto;
    gap: 20px;
}


.service-card {
    background: var(--card-bg-color);
    border-bottom: 3px solid var(--second-color);
    padding: 50px;
    border-radius: 6px;
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}


.service-card>i {
    color: var(--second-color);
    font-size: 3em;
    margin-bottom: 30px;
}


.service-card h3 {
    font-size: 1.5em;
    font-weight: 700;
    line-height: 30px;
    margin-bottom: 20px;
}


.service-card .learn-more-btn {
    color: var(--third-color);
    cursor: pointer;
    transition: .3s ease;
}

.service-card .learn-more-btn i {
    transition: .3s ease;
}



.service-card:hover .learn-more-btn i {
    transform: translateX(10px);
}


.service-modal {
    position: fixed;
    width: 100%;
    height: 100vh;
    top: 0;
    left: 0;
    background: var(--bg-transparent-color);
    backdrop-filter: blur(10px);
    z-index: 999999;
    visibility: hidden;
    opacity: 0;
    transition: .3s ease;
}


.service-modal.active {
    visibility: visible;
    opacity: 1;
}


.service-modal-body {
    position: relative;
    background: var(--modal-bg-color);
    max-width: 600px;
    margin: 20px;
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    transform: translateY(-50px);
    transition: .5s ease;
}


.service-modal.active .service-modal-body {
    transform: translateY(0);
}


.service-modal-body .modal-close-btn {
    position: absolute;
    top: 0;
    right: 0;
    margin: 20px;
    cursor: pointer;
}


.service-modal-body h3 {
    font-size: 2em;
}


.service-modal-body h4 {
    font-size: 1.3em;
    font-weight: 600;
    margin: 15px 0 10px;
}


.service-modal-body ul li {
    margin-top: 15px;
}


.service-modal-body ul li i {
    color: var(--second-color);
}



/* ===============Portfolio section================== */
.portfolio .container .content {
    width: 100%;
}


.portfolio-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    max-width: 100%;
    gap: 40px;
    margin: 0 auto;
    width: 100%;
}


.portfolio-list .img-card {
    position: relative;
    max-width: 100%;
    height: 240px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    overflow: hidden;
    cursor: pointer;
}


.portfolio-list .img-card .overlay {
    transition: 3s ease;
}


.portfolio-list .img-card:hover .overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgb(0, 0, 0, 0.7);
    z-index: 777;
}


.portfolio-list .img-card .info {
    position: absolute;
    bottom: 0;
    left: 0;
    margin: 20px;
    color: #fff;
    transform: translateY(20px);
    opacity: 0;
    transition: .5s ease;
    z-index: 777;
}


.portfolio-list .img-card:hover .info {
    transform: translateY(0);
    opacity: 1;
}


.portfolio-list .img-card .info h3 {
    font-size: 1.5em;
}


.portfolio-list .img-card .info span {
    font-size: 1.2em;
}


.portfolio-list .img-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


.portfolio-model {
    z-index: 999999;
    position: fixed;
    width: 100%;
    height: 100vh;
    top: 0;
    left: 0;
    background: var(--transparent-color-01);
    backdrop-filter: blur(20px);
    visibility: hidden;
    opacity: 0;
    transition: .3s ease;
}


.portfolio-model.active {
    visibility: visible;
    opacity: 1;
}


.portfolio-model-body {
    position: relative;
    background: var(--modal-bg-color);
    max-width: 600px;
    margin: 20px;
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    transform: translateY(-50px);
    transition: .5s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}


.portfolio-model.active .portfolio-model-body {
    transform: translateY(0);
}


.portfolio-close-btn {
    position: absolute;
    top: 0;
    right: 0;
    margin: 20px;
    cursor: pointer;
}

.portfolio-model-body h3 {
    font-size: 1.5em;
}


.portfolio-model-body img {
    width: 100%;
    margin: 20px 0;
    border-radius: 10px;
}



/* =============Contact section============= */
.contact .container .content {
    display: flex;
    justify-content: space-between;
    width: 100%;
}


.contact-left h2 {
    font-size: 2.1em;
    font-weight: 800;
    margin-bottom: 40px;
}


.contact-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}


.contact-card {
    background: var(--card-bg-color);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 20px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: 0.3s ease;
    box-shadow: var(--box-shadow);
}


.contact-card:hover {
    transform: translateY(-5px);
    border-color: var(--second-color);
}


.contact-card .card-icon {
    font-size: 1.5em;
    color: var(--second-color);
    background: rgba(255, 255, 255, 0.05);
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
}


.contact-card .card-info h3 {
    font-size: 1.1em;
    font-weight: 600;
    margin-bottom: 5px;
}


.contact-card .card-info span {
    font-size: 0.9em;
    color: var(--third-color);
}


.contact-card .card-info span a {
    color: var(--third-color);
    transition: 0.3s;
}

.contact-card .card-info span a:hover {
    color: var(--second-color);
}


.contact-right p {
    color: var(--third-color);
    font-size: 1.6em;
    margin-bottom: 30px;
}


.contact-right p span {
    color: var(--first-color);
    font-weight: 700;
}


.contact-form input,
.contact-form textarea {
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--first-color);
    background: var(--card-bg-color);
    font-size: var(--normal-font-size);
    margin-bottom: 20px;
    padding: 15px 40px 40px 20px;
    border-radius: 5px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: 0.3s ease;
    outline: none;
}


.contact-form textarea {
    width: 100%;
    resize: none;
}


.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--second-color);
    background: rgba(255, 255, 255, 0.08);
}


::placeholder {
    color: var(--third-color);
    opacity: 0.7;
}


.contact-form .first-row input {
    width: 100%;
}



.contact-form .second-row {
    display: flex;
    justify-content: space-between;
}


.contact-form .second-row input {
    width: 48%;
}


.contact-form .btn {
    border: none;
    margin-top: 0;
    border-radius: 5px;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}


/* ============Footer============== */
footer {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    background: var(--second-color);
    width: 100%;
    margin-top: 50px;
    padding: 3rem 2rem;
    color: #fff;
}


footer a {
    color: #fff;
}


.footer-container {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 1150px;
}


.footer-container .about h2 {
    font-size: 3em;
    font-weight: 600;
    background: linear-gradient(to top, transparent 0%, #fff 50%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: .8;
}


.footer-container .about p {
    font-size: var(--normal-font-size);
    font-weight: 300;
    margin-bottom: 30px;
}


.footer-container .info,
.footer-container .follow {
    display: flex;
    align-items: center;
    flex-direction: column;
}


.footer-container .info h3,
.footer-container .follow h3 {
    font-size: 1.1em;
    font-weight: 500;
    margin-bottom: 30px;
}


.footer-container .info ul,
.footer-container .follow ul {
    display: flex;
}


.footer-container .info a {
    margin: 20px;
}


.footer-container .follow a {
    font-size: 1.5em;
    margin: 20px;
}


.footer-copyright {
    font-size: var(--normal-font-size);
    font-weight: 400;
    margin-top: 50px;
}


















/* ==========Media query max-width 1070px=============== */
@media screen and (max-width: 1070px) {

    .navigation {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        display: flex;
        justify-content: center;
        align-items: center;
        background: var(--transparent-color-01);
        visibility: hidden;
        opacity: 0;
        transition: .3s ease;
    }


    .navigation.active {
        visibility: visible;
        opacity: 1;
    }



    .nav-items {
        position: relative;
        background: var(--modal-bg-color);
        width: 600px;
        max-width: 600px;
        display: flex;
        align-items: center;
        flex-direction: column;
        margin: 20px;
        padding: 40px;
        border-radius: 10px;
        box-shadow: var(--box-shadow);
        transform: translateY(-50px);
        transition: .3s ease;
    }


    .navigation.active .nav-items {
        transform: translateY(0);
    }


    .nav-items a {
        margin: 15px 50px;
    }


    .nav-close-btn {
        position: absolute;
        width: 40px;
        height: 40px;
        top: 0;
        right: 0;
        margin: 10px;
        cursor: pointer;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 2em;
        color: var(--first-color);
    }


    .nav-menu-btn {
        width: 40px;
        height: 40px;
        cursor: pointer;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 2em;
        color: var(--first-color);
    }

}



/* ============Home section============*/
.home .home-container .info {
    font-size: 0.85rem;
}


/* ========About section====== */
.about .container .content {
    display: flex;
    width: 100%;
    row-gap: 20px;
}


.about-img img {
    min-width: 0;
    width: 100%;
}


.about-info {
    min-width: 0;
    width: 100%;
}


.about-info .professional-list {
    flex-direction: column;
}


.about-info .professional-list .list-item {
    justify-content: start;
}



/* -----------contact section-------------- */
.contact .content {
    flex-direction: column;
    font-size: 0.9rem;
}

.contact .contact-left {
    margin-bottom: 40px;
}


.contact-form .second-row {
    flex-direction: column;
}


.contact-form .second-row input {
    width: 100%;
}


/* -------footer--------- */
.footer .footer-container {
    flex-direction: column;
}



.footer-container .about,
.footer-container .info {
    margin-bottom: 50px;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
}


.footer-container .info ul {
    flex-direction: column;
    align-items: center;
}


.footer-container .info ul {
    align-items: center;
    flex-direction: column;
}


.footer-container .info ul li {
    margin: 5px 0;
}


.footer-container .hr {
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    margin: 10px 0 22px;
}


@media screen and (max-width: 730px) {

    body {
        margin: 5rem 0 0 0;
    }

    .section-title-01 {
        font-size: 3em;
    }


    .section-title-02 {
        font-size: 2em;
        transform: translateY(-65px);
    }
}